The OSRAM DURIS E 2835 LED - AMS Osram leans on efficient mid-power light for everyday fixtures

OSRAM DURIS E 2835 LED pushes efficient mid?power lighting into countless downlights, tubes, and panels used in homes and offices worldwide. Anyone holding AMS Osram stock (SIX: AMS, ISIN AT0000A18XM4) should know this product.

By Nora Whitfield, ad hoc news Accessories & Components Desk. Reviewed July 08, 2026, 12:04 AM ET. Details in the imprint.

OSRAM DURIS E 2835 LED is the kind of component you never notice until you stare straight into a bright office downlight and see the tiny square package behind the diffuser. The light is clean, the color is stable, and the fixture barely warms under your hand.

Mid-power LED that hides in plain sight

AMS Osram positions the OSRAM DURIS E 2835 LED family as mid?power devices for cost?optimized general lighting, sitting between tiny indicator LEDs and high?power emitters in spotlights. Each 2835?size package is only a few millimeters across, designed to drop into standardized mid?power footprints on LED boards for tubes, panels, and downlights.

The series covers a wide range of correlated color temperatures from warm 2700 K up to cool 6500 K, with color rendering index options that reach CRI 90 for applications where more natural color is needed, such as retail shelves or kitchen counters. Typical luminous efficacy in the series reaches well over 150 lm/W in selected variants, giving fixture makers room to hit efficiency targets like ENERGY STAR in the US without exotic optics or drivers.

Built for tubes, panels, and strips

On AMS Osram’s own datasheets, engineers highlight the DURIS E 2835 as a workhorse for linear and area lighting: LED tubes, troffers, ceiling panels, strip lights, and compact downlights. A single luminaire can carry dozens of these mid?power chips in a row, balancing brightness and thermal load instead of depending on a single hot, high?power LED die.

In practice that means US building managers swapping out fluorescent T8 tubes for LED retrofits might never hear the DURIS brand name, but they may be buying lamps built around these exact packages from OEMs and private?label suppliers. Walking through a renovated hallway, you can feel the difference: instant?on, flicker?free light at full brightness, without the buzzing ballast sound many workers still associate with old fluorescent fixtures.

Efficiency and reliability as design levers

AMS Osram’s product marketing manager, Markus Lang, has described mid?power devices like DURIS as “the backbone of everyday LED lighting,” emphasizing consistent binning for color and flux to reduce sorting effort in factories. That consistency matters when hundreds of packages end up side by side behind a diffuser and any variation would show up as tint shifts.

The DURIS E 2835 series is offered in multiple voltage and flux bins, and selected versions are specified for operating temperatures up to 105 °C at the board level, which is crucial for enclosed fixtures in warm ceilings or tight office housings. Thermal stability helps avoid lumen depreciation and color drift over time, issues that hurt early LED adoption when low?cost packages were pushed too hard in poorly designed luminaires.

US and global availability

While the DURIS E 2835 family is primarily sold through distributors and OEM channels rather than directly to consumers, it is widely available in the US via electronic component distributors such as Digi?Key and Mouser, which list multiple CCT and CRI variants in stock for board?level use. Pricing typically starts in the few?cents?per?piece range for volume orders, with reel quantities running into the thousands.

That low unit price can translate into meaningful cost differences in high?volume products like LED tubes or flat panels, where every cent on the bill of materials matters. For a US investor walking under a grid of troffers in a supermarket, there is a good chance at least some aisles are lit by arrays built with mid?power packages from AMS Osram or a direct competitor.

Competing in a crowded LED component market

The global mid?power LED market is intensely competitive, with players including Nichia, Lumileds, Samsung Electronics, and several Chinese manufacturers all offering similar 2835?format components. AMS Osram attempts to differentiate DURIS through tight binning, established reliability data sets, and integration with its broader portfolio of drivers and optical solutions.

Analyst notes from lighting?industry trackers point out that much of the profit pool in general illumination has shifted from LED chips to systems and services, but robust component lines remain critical for scale. DURIS E 2835, along with related OSRAM families, gives fixture makers a familiar, documented platform that can be designed into multiple product lines without changing core board layouts.

Why this matters for AMS Osram stock

AMS Osram, listed in Switzerland, reports its Opto Semiconductors segment as a major contributor to revenue, with LED components for general lighting sitting alongside automotive and specialty applications. While no single mid?power product line drives the story on its own, dependable sellers like OSRAM DURIS E 2835 LED underpin the company’s claims of stable demand in everyday illumination.

At the last check, AMS Osram stock (SIX: AMS, ISIN AT0000A18XM4) traded on the SIX Swiss Exchange in CHF, with no US?listed ADR, meaning US investors typically access the shares via international brokerage accounts or funds rather than domestic tickers.

Key facts on OSRAM DURIS E 2835

• Product: OSRAM DURIS E 2835 LED
• Manufacturer: ams-OSRAM AG
• Category: LED accessory / component
• Launch: DURIS E family introduced mid?2010s, ongoing portfolio updates
• MSRP / Price: Typically a few cents per LED in high?volume distributor reels
• Availability: Sold globally via distributors and OEM channels, with broad availability in the US through major electronics distributors
• Target audience: Lighting OEMs, fixture designers, and engineers building LED tubes, panels, strips, and downlights
• Standout / USP: Compact 2835 mid?power footprint with high efficacy and multiple CRI/CCT options for cost?optimized general lighting

This article was AI-assisted and editorially reviewed. Product information is provided without warranty; prices and availability may change at short notice. Not investment advice and not a buy or sell recommendation. Securities trading carries risks up to total loss.